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SKF / Tapered roller bearings

SKF BT4-8052/HA1

Four-row tapered roller bearing technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
482.6 mm
Outside diameterD
647.7 mm
Dynamic load ratingC
7210 kN
Static load ratingC0
20000 kN
Mass≈m
298 kg
Bore diameter
482.6 mm

Use this page as a technical reference. Verify the current manufacturer specification and the complete application requirements before selection.

Technical data

Product specifications

Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.

Core specifications10 parameters
Core specifications
ParameterSymbolValue
Variant / constructionTapered roller bearings
Bore diameterd482.6 mm
Outside diameterD647.7 mm
Basic dynamic load ratingC7210 kN
Basic static load ratingC020000 kN
Fatigue load limitPu1460 kN
Mass≈m298 kg
SealingWithout
CageSheet metal
LubricantNone
Dimensions6 parameters
Dimensions
ParameterSymbolValue
Bore diameter482.6 mm
Outside diameter647.7 mm
Width, total446.5 mm
Width, inner ring446.5 mm
Width, outer ring401.638 mm
Contact angle12.5 °
Product identity5 parameters
Product identity
ParameterSymbolValue
Official product categoryTapered roller bearings
Official taxonomy path/products/rolling-bearings/roller-bearings/tapered-roller-bearings/four-row-tapered-roller-bearings
Structure group IDBT4_002
Available from SKFYes
RemanufacturableYes
Engineering — Calculation data10 parameters
Engineering — Calculation data
ParameterSymbolValue
Basic dynamic load ratingC7210 kN
Basic static load ratingC 020000 kN
Fatigue load limitP u1460 kN
Comparative radial load ratingC F1900 kN
Comparative axial load ratingC Fa307 kN
Thrust factorK1.8
Limiting valuee0.33
Calculation factorY 12
Calculation factorY 23
Calculation factorY 02
Engineering — Dimensions8 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd482.6 mm
Outside diameterD647.7 mm
Total bearing width over inner ringsB446.5 mm
Total bearing width over outer ringsT401.638 mm
Abutment diameter shaftd 1≈ 550 mm
Abutment diameter housingD 1≈ 623 mm
Inner ring radius (chamfer)r 1,2min. 6.4 mm
Chamfer dimension outer ringr 3,4min. 1.5 mm
Engineering — Engineering specifications2 parameters
Engineering — Engineering specifications
ParameterSymbolValue
Design variant/featureTQI/
Bore typeCylindrical
Logistics2 parameters
Logistics
ParameterSymbolValue
Product net weight298.0 kg
eClass code23-05-09-10
Performance2 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating7210.0 kN
Basic static load rating20000.0 kN
Properties15 parameters
Properties
ParameterSymbolValue
Bearing partComplete bearing
DesignTQI
Number of rows4
Locating feature, bearing outer ringWithout
Bore typeCylindrical
CageSheet metal
Arrangement of contact angle (double-row bearing)Not applicable
Matched arrangementNo
CoatingWithout
SealingWithout
LubricantNone
Relubrication featureWithout
Candidate for remanufacturingYes
Indicative carbon footprint for new product1103.0 kg CO 2 e
Indicative carbon footprint for remanufactured product367.0 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF BT4-8052/HA1
Document matching
Exact designation, assembly scope, revision and units must agree.

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